CA2164383A1 - Continuous process for the preparation of organic isocyanates - Google Patents

Continuous process for the preparation of organic isocyanates

Info

Publication number
CA2164383A1
CA2164383A1 CA002164383A CA2164383A CA2164383A1 CA 2164383 A1 CA2164383 A1 CA 2164383A1 CA 002164383 A CA002164383 A CA 002164383A CA 2164383 A CA2164383 A CA 2164383A CA 2164383 A1 CA2164383 A1 CA 2164383A1
Authority
CA
Canada
Prior art keywords
amine
phosgene
reaction mixture
reaction
organic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002164383A
Other languages
English (en)
French (fr)
Inventor
Robert Bankwitz
Herbert Gebauer
Christian Konig
Eckart Waldau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of CA2164383A1 publication Critical patent/CA2164383A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA002164383A 1994-12-08 1995-12-04 Continuous process for the preparation of organic isocyanates Abandoned CA2164383A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4443642.4 1994-12-08
DE4443642A DE4443642A1 (de) 1994-12-08 1994-12-08 Kontinuierliches Verfahren zur Herstellung von organischen Isocyanaten

Publications (1)

Publication Number Publication Date
CA2164383A1 true CA2164383A1 (en) 1996-06-09

Family

ID=6535220

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002164383A Abandoned CA2164383A1 (en) 1994-12-08 1995-12-04 Continuous process for the preparation of organic isocyanates

Country Status (11)

Country Link
US (1) US5599968A (enExample)
EP (1) EP0716079B1 (enExample)
JP (1) JPH08225510A (enExample)
KR (1) KR100387760B1 (enExample)
CN (1) CN1055080C (enExample)
BR (1) BR9505700A (enExample)
CA (1) CA2164383A1 (enExample)
DE (2) DE4443642A1 (enExample)
ES (1) ES2129736T3 (enExample)
MX (1) MX196732B (enExample)
TW (1) TW301647B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19817691A1 (de) * 1998-04-21 1999-10-28 Basf Ag Verfahren zur Herstellung von Mischungen aus Diphenylmehandiisocyanaten und Polyphenylen-polymethylen-polyisocyanaten mit vermindertem Gehalt an chlorierten Nebenprodukten und verminderter Jodfarbzahl
DE10260082A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur kontinuierlichen Herstellung von Isocyanaten
DE10310888A1 (de) 2003-03-11 2004-09-23 Basf Ag Verfahren zur Herstellung von Polyisocyanaten
US7547801B2 (en) * 2006-06-26 2009-06-16 Bayer Materialscience Llc Process for the continuous preparation of isocyanates
US8034972B2 (en) * 2007-06-27 2011-10-11 H R D Corporation System and process for production of toluene diisocyanate
KR102048110B1 (ko) 2012-07-11 2019-11-22 코베스트로 도이칠란드 아게 이소시아네이트 제조에서 증류 잔류물의 후처리 방법
WO2015144658A1 (de) * 2014-03-27 2015-10-01 Bayer Materialscience Ag Verfahren zur herstellung von isocyanaten
WO2015162106A1 (de) * 2014-04-23 2015-10-29 Basf Se Verfahren zur herstellung von isocyanaten in dialkylcarbonaten als lösungsmittel
KR20180022843A (ko) 2015-06-29 2018-03-06 코베스트로 도이칠란트 아게 폴리이소시아네이트를 제조하는 방법
CN108348889B (zh) 2015-09-24 2020-09-15 科思创德国股份有限公司 制备异氰酸酯的方法
WO2017055311A1 (de) 2015-09-30 2017-04-06 Covestro Deutschland Ag Verfahren zur herstellung von isocyanaten
WO2018041799A1 (de) 2016-09-01 2018-03-08 Covestro Deutschland Ag Verfahren zur herstellung von isocyanaten
CN110997751B (zh) 2017-07-03 2022-07-15 科思创德国股份有限公司 用于通过使h-官能反应物与光气反应制备化学产品的生产设备及其运行方法
CN111630028B (zh) 2018-01-05 2022-12-06 科思创知识产权两合公司 制备亚甲基二亚苯基二异氰酸酯和多亚甲基多亚苯基多异氰酸酯的方法
KR20220114554A (ko) 2019-12-18 2022-08-17 코베스트로 도이칠란트 아게 디페닐메탄 계열의 디- 및 폴리이소시아네이트를 생산하는 방법

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875225A (en) * 1953-06-25 1959-02-24 Bayer Ag Production of isocyanates
DE1037444B (de) * 1954-03-15 1958-08-28 Du Pont Verfahren zur Herstellung organischer Isocyanate
JPS3510774B1 (enExample) * 1954-12-01 1960-08-08
GB1255637A (en) * 1967-12-01 1971-12-01 Du Pont Manufacture of organic isocyanates
DE1956777C3 (de) * 1969-07-30 1978-06-15 E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) Mischvorrichtung zur Herstellung von Isocyanaten
DE2058032A1 (de) * 1970-11-25 1972-05-31 Zimmer Ag Ind Anlagen Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Isocyanaten
US3781320A (en) * 1971-02-09 1973-12-25 Du Pont Process for manufacture of organic isocyanates
DE2112181A1 (de) * 1971-03-13 1972-10-05 Basf Ag Verfahren zur kontinuierlichen Herstellung von organischen Isocyanaten
US3947484A (en) * 1971-10-26 1976-03-30 Bayer Aktiengesellschaft Continuous prephosgenation process for the production of organic isocyanates
US3829458A (en) * 1972-12-01 1974-08-13 Basf Wyandotte Corp Procedure for the continuous manufacture of organic isocyanates
DE2624285C2 (de) * 1976-05-31 1987-03-12 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen Herstellung von organischen Isocyanaten
DE2908251A1 (de) * 1979-03-02 1980-09-11 Bayer Ag Verfahren zur herstellung von urethanen
JPS5748954A (en) * 1980-09-10 1982-03-20 Mitsui Toatsu Chem Inc Preparation of organic isocyanates
US4422976A (en) * 1981-04-07 1983-12-27 Mitsui Toatsu Chemicals, Incorporated Continuous preparation of organic isocyanates
DE3121036A1 (de) * 1981-05-27 1982-12-16 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlicehn herstellung von organischen mono- oder polyisocyanaten
DE3736988C1 (de) * 1987-10-31 1989-03-23 Bayer Ag Verfahren zur kontinuierlichen Herstellung von organischen Mono- und Polyisocyanaten
DE3744001C1 (de) * 1987-12-24 1989-06-08 Bayer Ag Verfahren zur kontinuierlichen Herstellung von Mono- oder Polyisocyanaten

Also Published As

Publication number Publication date
EP0716079B1 (de) 1999-02-10
ES2129736T3 (es) 1999-06-16
EP0716079A1 (de) 1996-06-12
BR9505700A (pt) 1997-11-11
DE59505084D1 (de) 1999-03-25
KR100387760B1 (ko) 2004-03-20
KR960022451A (ko) 1996-07-18
CN1133286A (zh) 1996-10-16
CN1055080C (zh) 2000-08-02
JPH08225510A (ja) 1996-09-03
US5599968A (en) 1997-02-04
TW301647B (en) 1997-04-01
MX196732B (enExample) 2000-05-31
DE4443642A1 (de) 1996-06-13

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued